參數(shù)資料
型號: GMS87C7216Q
廠商: Electronic Theatre Controls, Inc.
元件分類: 8位微控制器
英文描述: 8-BIT SINGLE-CHIP MICROCONTROLLERS
中文描述: 8位單晶片微控制器
文件頁數(shù): 107/121頁
文件大?。?/td> 1645K
代理商: GMS87C7216Q
GMS81C7208/7216
FEB. 2005 Ver 1.04
xv
;
ORG 0FFE0H
DW NOT_USED ; Timer-3
DW NOT_USED ; Timer-2
DW WTIMER ; Watch Timer
DW INT_AD ; A/D CON.
DW NOT_USED ; Serial I/O
DW NOT_USED ; Not used
DW NOT_USED ; Not used
DW NOT_USED ; Int.2
DW TIMER1 ; Timer-1
DW TIMER0 ; Timer-0
DW INT1 ; Int.1
DW INT0 ; Int.0
DW NOT_USED; Watch Dog Timer
DW NOT_USED; BIT
DW INT_KEY ; Key Scan(Only GMS81C7008/7016)
DW RESET ; Reset
;
;**************************************************************************
; MAIN PROGRAM *
;**************************************************************************
;
ORG 0C000H ;Program Start Address
;ORG 0E000H ; 8K ROM VERSION
;
RESET: LDM WDTR,#0
LDM RPR,#1
;
CLRG
LDX #0
RAMCLR: LDA #0 ;RAM Clear(!0000H->!00BFH)
STA {X}+ ;M(X) <- A, then X <- X+1
CMPX #0C0H ;X = #0C0H
BNE RAMCLR
SETG
LDX #0
RAMCLR1: LDA #0 ;RAM Clear(!0100H->!011AH)
STA {X}+ ;M(X) <- A, then X <- X+1
CMPX #1BH ;X = #01BH
BNE RAMCLR1
CLRG
;
LDX #0FFH ;Stack Pointer Initial
TXSP ;SP. <- #0FFH
;
;******** USER RAM INITIALIZE **********
;
; LDM MODE,#4
; LDM SUBMODE,#1
SET1 LPM ;KST PM 12:00 JUST NOON
LDM LHOUR,#12H
LDM LMINUTE,#00H
LDM RHOUR,#03H ;UTC AM 03:00
LDM RMINUTE,#00H
SET1 OUTSIDE
SET1 F_ON ;POWER ON
;
;********** PORT INITIALIZE ************
;
LDM LCDPM,#0 ;SEG0~SEG23 are used
LDM R0,#0 ;I/O Port Data Clea
LDM R1,#0 ;I/O Port Data Clear
LDM R2,#0
LDM R3,#0
LDM R0DD,#1111_0001B ;R05,R06,R07: output for Keyscan
LDM R1DD,#0000_0000B
LDM R2DD,#0000_0000B ;R20~R23: input for keyscan
LDM R3DD,#0000_0100B
LDM R2PU,#0000_1111B ;R20~R23 pull-up active
;
;***** CONTROL REGISTER INITIALIZE *****
;
LDM CKCTLR,#0 ;WAKE UP TIME = 0.0625 sec
;(1/32768)*8*256 = 0.0625sec
LDM TDR0,#249 ;8us x (249+1) = 2ms
LDM TM0,#0000_1111B ;8BIT Timer,8us,Start Count-up
LDM TDR1,#249 ;2us x (249+1) = 500us
LDM TM1,#0000_1111B ;Timer1(8bit),32us,Start Count-up
LDM TM3,#1010_1011B
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